Home / 382,469.04-527,799.78-212,699.52

Finding the Fourth Proportional to 382,469.04, 527,799.78 and 212,699.52

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Solution

The fourth proportional to 382,469.04, 527,799.78 and 212,699.52 is: 293,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,469.04 : 527,799.78 = 212,699.52 : x
  2. Step 2: Convert to fraction form
    382,469.04/527,799.78 = 212,699.52/x
  3. Step 3: Cross multiply
    382,469.04x = 527,799.78 × 212,699.52
  4. Step 4: Simplify right side
    382,469.04x = 112,262,759,862.11
  5. Step 5: Solve for x
    x = 112,262,759,862.11/382,469.04
  6. Step 6: Final answer
    x = 293,521.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.